Protronix Dual Monitor Desk Mount Stand, Fits 10-25" LED/LCD Screens Fits screens 10" to 25" Adjustable height from 220mm to 368mm (approx. 8 3/4" to 14 1/2") Arm extends out to 356mm (approx. 14") Clamps to surfaces 15mm to 80mm thick Max Capacity: 10kg / 22lbs (each arm)